JP2009259494A - Connector mounting structure - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a connector mounting structure to enable easy alignment of a wiring board and improvement of an assembly ease. <P>SOLUTION: The connector mounting structure 100 is equipped with a first reinforcement board 11 arranged at a perimeter portion of a first flexible printed wiring board 10 located underneath, a first aperture 12 formed on the first reinforcement board 11, a first connection pad 13 arranged on the first flexible printed wiring board 10 in the first aperture 12, a second reinforcement board 21 arranged at the perimeter portion of a second flexible printed wiring board 20 located above, a second aperture 22 formed on a second reinforcement board 21, a second connection pad 23 arranged on the second flexible printed wiring board 20 in the second aperture 22. In an open area formed by the first and the second aperture 12 and 22, a connector 30 is held by the first and second connection pads 13 and 23. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a connector mounting structure for electrically connecting an anisotropic conductive connector between first and second wiring boards arranged in parallel vertically.

  In the conventional connector mounting structure, two flexible printed wiring boards (FPCs) and spacers are used, and they are aligned and fixed by their fixing screw holes.

  However, it is necessary to tighten the dimensional accuracy of the connection pad, the connector opening, and the fixing screw hole, which makes it difficult to manufacture or sort out, and increases the cost of the members.

  In addition, connection problems may occur due to assembly variations, or may not occur or cause instability.

  Related arts related to this include, for example, Japanese Utility Model Laid-Open No. 1-137567 (Patent Document 1), Japanese Patent Application Laid-Open No. 9-237952 (Patent Document 2) and Japanese Patent Application Laid-Open No. 9-266038 (Patent Document 3). .

Japanese Utility Model Publication No. 1-1337567 Japanese Patent Laid-Open No. 9-237952 Japanese Patent Laid-Open No. 9-266038

  Accordingly, the present invention has been made in view of the above-described problems of the prior art, and an object of the present invention is to provide a connector mounting structure that facilitates alignment of wiring boards and improves assembly. .

In order to achieve the above object, the present invention provides a connector mounting structure for electrically connecting an anisotropically conductive connector between first and second wiring boards arranged in parallel vertically.
A first reinforcing plate disposed on the outer periphery of the first wiring board disposed below;
A first opening formed in the first reinforcing plate;
A first connection pad disposed on the first wiring board in the first opening;
A second reinforcing plate disposed on the outer periphery of the second wiring board disposed above;
A second opening formed in the second reinforcing plate;
A second connection pad disposed on the second wiring board in the second opening,
The connector is arranged to be sandwiched between the first and second connection pads in the space formed by the first and second openings.

  According to the present invention, it becomes easy to align the two wiring boards with reinforcing plates, and the assemblability is improved.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

  First, a connector mounting structure according to an embodiment of the present invention will be described with reference to FIG.

  Here, FIGS. 1A and 1B are a longitudinal sectional view and a planar sectional view of the connector mounting structure according to the embodiment of the present invention, respectively. FIG. 1A is a cross-sectional view taken along line A-A ′ of FIG. FIG. 1B is a B-B ′ cross section of FIG.

  Referring to FIG. 1 (a), a connector mounting structure 100 according to an embodiment of the present invention includes a first flexible printed wiring board 10 disposed below and a second flexible printed wiring board 20 disposed above. And an anisotropically conductive connector 30 electrically connected between the first and second flexible printed wiring boards 10 and 20.

  And the 1st reinforcement board 11 is arrange | positioned in the outer peripheral part of the 1st flexible printed wiring board 10 arrange | positioned below. A first opening 12 is formed in the first reinforcing plate 11. A first connection pad 13 is disposed on the first flexible printed wiring board 10 in the first opening 12.

  On the other hand, a second reinforcing plate 21 is disposed on the outer peripheral portion of the second flexible printed wiring board 20 disposed above. A second opening 22 is formed in the second reinforcing plate 21. A second connection pad 23 is arranged on the second flexible printed wiring board 20 in the second opening 22.

  A fixing screw hole 14 is provided in the first reinforcing plate 11. Although not shown, the second reinforcing plate 21 is also provided with a similar fixing screw hole. Here, reference numeral 31 is a thin metal wire constituting the connector 30 described later.

  Under such a configuration, the connector 30 is disposed so as to be sandwiched between the first and second connection pads 13 and 23 in the space formed by the first and second openings 12 and 22.

  Next, with reference to FIG. 2, the structure of the 1st flexible printed wiring board 10 with a reinforcement board is demonstrated.

  Here, FIGS. 2A, 2B, and 2C are a longitudinal sectional view, a top view, and a perspective view, respectively, of the first flexible printed wiring board 10 with the reinforcing plate. FIG. 2A is a C-C ′ cross section of FIG.

  As shown in FIGS. 2A and 2C, the flexible printed wiring board 10 and the first reinforcing plate 11 are bonded together with an adhesive.

  The first flexible printed wiring board 10 is provided with a connection pad 13 for connection with the connector 30. An opening 12 for inserting the connector 30 is formed in the first reinforcing plate 11. The opening 12 regulates the position of the connector 30 and is positioned so that the connection pad 13 and the connector 30 can be reliably connected.

  Moreover, the screw hole 14 for making the 1st and 2nd flexible printed wiring boards 10 and 20 with the 1st and 2nd reinforcement boards 11 and 21 contact | adhere and fix is provided.

  The above configuration is the same for the second flexible printed wiring board 20 with the reinforcing plate, and the relative positional relationship between the first flexible printed wiring board 10 with the reinforcing plate and the openings, connection pads, fixing screw holes, and the like. Keep together.

  Next, the configuration of the connector 30 will be described with reference to FIG.

  Here, FIGS. 3A, 3B, and 3C are a longitudinal sectional view, a top view, and a perspective view of the connector 30, respectively. FIG. 3A is a cross-sectional view taken along the line D-D ′ of FIG.

  The connector 30 is a pressure contact type connector in which fine gold plated wires 31 are arranged at a narrow pitch and both sides are supported by an insulating silicone rubber 32, and there is electrical conduction in the vertical direction, but the lateral direction is insulated. It has the feature that.

  Here, the height of the connector 3 is set slightly higher than the interval (vertical direction) between the connection pads 13 and 23. As a result, the connector 30 is compressed when the first and second flexible printed wiring boards 10 and 20 with reinforcing plates are fixed to the space formed by the openings 12 and 22, and the reaction force is utilized. Stable contact between the connection pads 13 and 23 and the fine metal wire 31 is obtained.

  Next, with reference to FIG. 4, the manufacturing process of the connector mounting structure 100 according to the embodiment of the present invention will be described.

  First, the connector 30 is placed in the opening 12 formed in the first flexible printed wiring board 10 with the first reinforcing plate 11 (FIG. 4A). Here, as described above, the connector 30 is a pressure contact type connector in which the gold-plated thin metal wires 31 are arranged at a narrow pitch and both sides are supported by the insulating silicone rubber 32.

  Next, the opening 22 formed in the second flexible printed wiring board 20 with the second reinforcing plate 21 is aligned with the connector 30 and overlapped with the first flexible printed wiring board 10 with the first reinforcing plate 11 ( FIG. 4 (b)).

  Finally, using the fixing screw hole 14 (see FIG. 2), the first flexible printed wiring board 10 with the first reinforcing plate 11 and the first flexible printed wiring with the second reinforcing plate 21 are used. The plate 20 is brought into close contact and fixed (FIG. 4C). As a result, the connection pads 13 and 23 and the metal thin wire 31 of the connector 30 are electrically connected by pressure contact.

  According to the said embodiment, alignment of the flexible printed wiring boards 10 and 20 with two reinforcement boards becomes easy, and an assembly property improves. The reason is that the reinforcing plates 11 and 21 are attached to the flexible printed wiring boards 10 and 20, respectively, so that the positions of the connection pads 13 and 23 and the metal thin wires 31 of the connector 30 do not shift, and two flexible printed wirings This is because the connection pads 13 and 23 of the plates 10 and 20 are securely connected by the connector 30.

  As described above, the mounting structure of the anisotropic conductive connector according to the present invention relates to a connector mounting structure that obtains an electrical connection between two parallel flexible printed wiring boards using an anisotropic conductive connector. A reinforcing plate is bonded to the plate, and an opening for positioning the connector is provided on the reinforcing plate. As a result, the connection pads and the connectors of the two flexible printed wiring boards can be securely connected and stable assembly can be performed.

  Although the invention made by the present inventor has been specifically described based on the embodiments, it is needless to say that the present invention is not limited to the above embodiments and can be variously modified without departing from the gist thereof. Yes.

  For example, in the above embodiment, the connector 30 has been described as a pressure contact type connector in which the gold-plated thin metal wires 31 are arranged at a narrow pitch and both sides are supported by the insulating silicone rubber 32. For example, anisotropic conductive rubber or the like may be used. Even if such anisotropic conductive rubber is used, the same effect can be obtained.

It is a figure which shows the connector mounting structure which concerns on embodiment of this invention, (a) is a longitudinal cross-sectional view, (b) is a plane cross-sectional view. It is a figure which shows the flexible printed wiring board with a reinforcement board, (a) is a longitudinal cross-sectional view, (b) is a top view, (c) is a perspective view. It is a figure which shows a connector, (a) is a longitudinal cross-sectional view, (b) is a top view, (c) is a perspective view. It is a figure for demonstrating the manufacturing process of the connector mounting structure which concerns on embodiment of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 1st flexible printed wiring board 11 1st reinforcement board 12 1st opening part 13 1st connection pad 14 Screw hole 20 for fixation 2nd flexible printed wiring board 21 2nd reinforcement board 22 2nd Opening 23 Second connection pad 30 Connector 31 Metal wire 32 Insulating silicone rubber 100 Connector mounting structure

Claims (10)

A connector mounting structure for electrically connecting an anisotropically conductive connector between first and second wiring boards arranged in parallel vertically.
A first reinforcing plate disposed on the outer periphery of the first wiring board disposed below;
A first opening formed in the first reinforcing plate;
A first connection pad disposed on the first wiring board in the first opening;
A second reinforcing plate disposed on the outer periphery of the second wiring board disposed above;
A second opening formed in the second reinforcing plate;
A second connection pad disposed on the second wiring board in the second opening,
A connector mounting structure characterized in that a connector is disposed in a space formed by first and second openings so as to be sandwiched between first and second connection pads.   The connector mounting structure according to claim 1, wherein the first and second wiring boards are flexible printed wiring boards.   The position of the connector is regulated by the first and second openings so that electrical connection between the connector and the first and second connection pads can be obtained. The connector mounting structure according to 2.   The connector mounting structure according to claim 1, wherein the connector is formed of an elastic member.   5. The connector mounting structure according to claim 1, wherein a height of the vertical method of the connector is larger than an interval between the first and second connection pads. 6.   When the connector is sandwiched between the first and second connection pads in the space portion, the connector is compressed, and the connector and the first and second connection pads contact with each other due to the repulsive force. The connector mounting structure according to claim 5, wherein:   The connector according to any one of claims 4 to 6, wherein the connector is composed of a plurality of fine metal wires arranged in a central portion and an insulating silicone rubber provided around the metal wires. Mounting structure.   The connector mounting structure according to claim 7, wherein the metal thin wire and the first and second connection pads are in contact with each other by the repulsive force.   The connector mounting structure according to claim 4, wherein the connector is made of anisotropic conductive rubber.   The connector mounting structure according to claim 1, wherein the first and second reinforcing plates are provided with fixing screw holes.

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